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The image contains two line graphs, the first titled "Percentage of households with electrical appliances (1920-2019)" shows data for washing machines, refrigerators, and vacuum cleaners. In 1920, all three started below 20%, with washing machines around 10%, refrigerators just above 0%, and vacuum cleaners around 5%. By 1960, washing machines near 60%, refrigerators just over 50%, and vacuum cleaners around 40%. In 2019, washing machines and refrigerators are at 100% while vacuum cleaners are just below 90%. The second graph "Number of hours of housework* per week, per household (1920-2019)" shows a decrease in hours per week from just over 50 in 1920 to around 10 in 2019. Housework* includes washing clothes, preparing meals, cleaning.
Given the complexity of the image, the above description may not be entirely accurate.
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The pictures above illustrate the usage of electric furniture and the time spent in a week between 1920 and 2019.
Overall, the trend of electrical furniture has increased over the decade. The growth of vacuum cleaner application is the highest compared to washing machine and refrigerator, increasing from near 0% to 100%. From 1960 to 1980, the use of washing machines had a slight decrease to around 60%, but it went up again to 70% in the year 2000.
The next graph displays the amount of time spent on household duties, and it shows a downward trend from 50 to approximately 10 hours per week. The biggest drop happened from 1920 to 1960, reaching 20 hours per week. Some of the household activities are laundry or washing clothes, preparing foods, and cleaning the house.
To conclude, electricity has reduced the time or hours spent on household work activities dramatically over the last 100 years.
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